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1760s
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go it alone
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translucent
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a kempis
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faeroe islands
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grateful
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direct
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concavo-concave
concavo-concave /ˌkɑnkəvoʊˈkɑnkəv/
adjective
-
Concave on both sides
(
biconcave
, concavo-concave
)
concave on both sides